Electrical engineering, from calculation to connection.
Electrical design, installation and technical guidance for homes, condominiums and commercial spaces.
Distribution board

- RCCB (residual-current device) 40 A · 30 mA
- Circuit breakers, 1P+N
- Surge protective device (SPD)
- VE1 Dedicated EV charging circuit
- Circuits labelled as in the design
Services
Six areas of work, from the first calculation sheet to the installation in service.
- 01
Electrical design
Low-voltage design for new builds and refurbishments: calculation, sizing and drawings ready to build from.
- 02
Installations and switchboards
Residential electrical installations, lighting and switchboards, built with Schneider Electric and Hager equipment.
- 03
EV charging
Wallboxes and dedicated sockets, with the installation sized for the power available.
- 04
Home automation
Design and installation of home automation, notably with Shelly devices.
- 05
Solar: advice and design
Advice, design, sizing and installation oversight for self-consumption systems.
- 06
Energy audits and efficiency
Energy audits, electrical measurements and efficiency measures.
- Electrotechnical training
- Surge protection
- Three-phase installations
- Diagnosis and budget estimates
01Drawings
Electrical design
Single-line diagram of the main distribution board
Illustrative example. Not a real project.
Drawing labels stay in Portuguese, as on the original document.
View drawing
- Wall charger (wallbox), Mode 3
- Reinforced EV socket, Mode 2
03Electric mobility
EV charging designed around your electrical installation.
Before choosing a charger, we check what the installation can support: contracted power, switchboard, protection and cable routes.
- Scope
- Design and installation
- Equipment
- Wallboxes and dedicated sockets
- Sites
- Private garages and condominiums
- Checks
- Supply capacity, distribution board, protective devices, cabling
- Load management
- Dynamic
With dynamic load management, charging adjusts to the building’s consumption at each moment.
EV charging with dynamic load management: schematic
Illustrative example. Not a real project.
Drawing labels stay in Portuguese, as on the original document.
View drawing
What we do, and what we don’t.
We do
- Electrical design and installation works
- Switchboards, EV charging and home automation
- Diagnosis and budget estimates
- Solar self-consumption advice and design
We don’t
- Emergency call-outs or 24-hour service
- Small household repairs
- Direct installation of solar panels
Technical responsibility
Services delivered by technicians accredited by DGEG for the design, execution and operation of electrical installations.
- 26 yearsof electrotechnical experience behind the lead engineer
- 2001first electrical designs
- 2015installation work begins
- LVlow-voltage design and execution
Where we work
- Samora Correia
- about 50 km
We usually travel up to about 50 km. Larger projects elsewhere in Portugal are considered case by case.
Tell us about your project.
Describe what you want to do. We reply by phone, WhatsApp or email.
- Phone and WhatsApp
- +351 966 714 257Open WhatsApp
- Contact hours
- Monday to Saturday, 9:00–20:00
- geral@bashatec.pt
